#include <Servo.h>
Servo myservo;
int servoPin=9;
void setup() 
{
 myservo.attach(servoPin);
}

void loop() {
  myservo.write(90);
  delay(1000);
  myservo.write(360);
  delay(1000);
  myservo.write(0);
  delay(1000);

}